538430949

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149939}}^1$

素因数の和:149974

約数の個数: 32

約数和(自身を含む): 959616000

約数和(自身を除く): 421185051

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 149939, 449817, 1049573, 1349451, 2848841, 3148719, 4048353, 8546523, 9446157, 19941887, 25639569, 28338471, 59825661, 76918707, 179476983, 538430949]

約数ペア:

[(1, 538430949), (3, 179476983), (7, 76918707), (9, 59825661), (19, 28338471), (21, 25639569), (27, 19941887), (57, 9446157), (63, 8546523), (133, 4048353), (171, 3148719), (189, 2848841), (399, 1349451), (513, 1049573), (1197, 449817), (3591, 149939)]